123759120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{515663}}^1$

素因数の和:515679

約数の個数: 40

約数和(自身を含む): 383654016

約数和(自身を除く): 259894896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 515663, 1031326, 1546989, 2062652, 2578315, 3093978, 4125304, 5156630, 6187956, 7734945, 8250608, 10313260, 12375912, 15469890, 20626520, 24751824, 30939780, 41253040, 61879560, 123759120]

約数ペア:

[(1, 123759120), (2, 61879560), (3, 41253040), (4, 30939780), (5, 24751824), (6, 20626520), (8, 15469890), (10, 12375912), (12, 10313260), (15, 8250608), (16, 7734945), (20, 6187956), (24, 5156630), (30, 4125304), (40, 3093978), (48, 2578315), (60, 2062652), (80, 1546989), (120, 1031326), (240, 515663)]